- Companies
- Plumbers and heating engineers
- Sheffield
- Quantum Air Conditioning Limited
Quantum Air Conditioning Limited
- Company number
- 15247567
- Incorporated
- 30 Oct 20232 years trading
- Registered office
- Progress House 206, White Lane, Sheffield, S12 3GL
- Nature of business
- Plumbing, heat and air-conditioning installation
Quantum Air Conditioning Limited is a 2-year-old private limited company registered in Sheffield, company number 15247567, one of 305 plumbing and heating companies in Sheffield. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £16K (+909.4%) on the year before, to £18K.
- Current assets of £50K against £33K owed within a year: 1.5 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £18K | £50K | £33K | 1 | |
| 31 Oct 2024 | £1,745 | £24K | £24K | 0 |
Where Quantum Air Conditioning Limited is registered
The registered office is in Sheffield (S12), in the Sheffield local authority area, Yorkshire and The Humber. Show S12 3GL on a map.
Other trade companies in S12
- Wattam Family Group LtdPlumbers and heating engineers
- A Contract Lift LtdProperty developers
- KD Building Renovations LtdFinishing trades
- C.K Butlers Electrical LtdElectricians
- Drains Pipes Solutions LtdCleaning companies
- J Seale Bathrooms LtdJoiners and carpenters
- J Seale Plumbing and Heating LtdPlumbers and heating engineers
- NM Cleaning Services Ltd LtdCleaning companies
Also registered at this address
7 other companies use the same registered office as Quantum Air Conditioning Limited.
- CM Interiors (South Yorkshire) LimitedJoiners and carpenters
- Construction Floor Systems (North) LimitedFloor and wall tilers
- DJR Tiling LimitedFloor and wall tilers
- J Woodhead Brickwork LimitedBuilders
- MCS Electrical Installations LimitedElectricians
- MWB Developments LimitedProperty developers
- Newfitt LimitedJoiners and carpenters
What happens if Quantum Air Conditioning Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 15247567
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 October 2023 (2 years ago)
- Registered office
- Progress House 206, White Lane, Sheffield, S12 3GL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 29 October 2025
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Sheffield
Other active plumbing and heating companies registered in Sheffield.
- R & R Heating and Plumbing Services Ltd2013
- R E Gas and Heat Services Limited2014
- R&J Heating Solutions Limited2026
- R. Anthonies Limited1972
- Rapid PB Ltd2025
- Rapidfixx Ltd2025
- React Boiler Repair Ltd2021
- React Plumbing Services Ltd2021
All plumbing and heating companies in Sheffield · All trades in Sheffield · Plumbers and heating engineers across the UK
Frequently asked questions
When are Quantum Air Conditioning Limited's accounts due?
Quantum Air Conditioning Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Quantum Air Conditioning Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Quantum Air Conditioning Limited still trading?
Quantum Air Conditioning Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Quantum Air Conditioning Limited do?
Quantum Air Conditioning Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Quantum Air Conditioning Limited?
Quantum Air Conditioning Limited was incorporated on 30 October 2023, 2 years ago.
What is the penalty if Quantum Air Conditioning Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Quantum Air Conditioning Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.